Any performance increase with those rings on an RX with filters (non-boost)? ECP claimed a pretty good increase when their velocity rings were added to filters.
Any performance increase with those rings on an RX with filters (non-boost)? ECP claimed a pretty good increase when their velocity rings were added to filters.
I don't know if they are similar or not but NO Performance increase.
They are designed to give the boost hoses something to grab on to, they have a small lip on the outer edge and they extend the carb throat by 1/8 inch.
